From: Lionel Sambuc Date: Mon, 22 Oct 2012 13:42:09 +0000 (+0200) Subject: Importing cksum (needed by NetBSD build system) X-Git-Tag: v3.2.1~261 X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/man.dnssec-keyfromlabel.html?a=commitdiff_plain;h=280d8c668e345d10165c0bc44fab3c7d7657dd05;p=minix.git Importing cksum (needed by NetBSD build system) Change-Id: I47308635f6307066643f83f07b6751b1f2a05eb4 --- diff --git a/commands/Makefile b/commands/Makefile index 6517dbba3..c618efa5d 100644 --- a/commands/Makefile +++ b/commands/Makefile @@ -4,7 +4,7 @@ SUBDIR= add_route arp ash at backup banner basename btrace cal \ cawf cd cdprobe cpp \ - chmod chown ci cksum cleantmp clear cmp co \ + chmod chown ci cleantmp clear cmp co \ comm compress cp crc cron crontab cut \ dd decomp16 DESCRIBE dev2name devmand devsize df dhcpd \ dhrystone diff dirname diskctl dumpcore \ diff --git a/commands/cksum/Makefile b/commands/cksum/Makefile deleted file mode 100644 index 136aa6ff3..000000000 --- a/commands/cksum/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -PROG= cksum -MAN= - -.include diff --git a/commands/cksum/cksum.c b/commands/cksum/cksum.c deleted file mode 100644 index dd93db129..000000000 --- a/commands/cksum/cksum.c +++ /dev/null @@ -1,155 +0,0 @@ -/* cksum.c - Display file checksums and block counts Author: V. Archer */ - -/* Copyright 1991 by Vincent Archer - * You may freely redistribute this software, in source or binary - * form, provided that you do not alter this copyright mention in any - * way. - */ - -#include -#include -#include -#include - -int error; - -/* Table from P1003.2 (4.9/Fig 4.1). In fact, this table was taken from zmodem - * and rewritten to look like the Draft 11 example. - */ -unsigned long crctab[] = { - 0x7fffffff, - 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, - 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, - 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, - 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, - 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, - 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, - 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, - 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, - 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, - 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, - 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, - 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, - 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, - 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, - 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, - 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4, - 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, - 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, - 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, - 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, - 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, - 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, - 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, - 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, - 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, - 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, - 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, - 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, - 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, 0x8708a3d2, - 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, - 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, - 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, - 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, - 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, - 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, - 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, - 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, - 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, - 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, - 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, 0x95bf4a82, - 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, - 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, - 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, - 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, - 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, - 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, - 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, - 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, - 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, - 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, - 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d -}; - -int main(int argc, char **argv); -void crc(int fd, char *name); -unsigned long strncrc(unsigned char *b, int n, unsigned long s); - -static int aux; - -/* Routine straight out of 4.9.10 */ -unsigned long strncrc(b, n, s) -register unsigned char *b; /* byte sequence to checksum */ -register int n; /* length of sequence */ -register unsigned long s; /* initial checksum value */ -{ - register int i; - - while (n-- > 0) { - /* Compute the index to the crc table */ - i = (s >> 24) ^ ((unsigned int) (*b++)); - - if (i == 0) { - /* Replace an intermediate zero with the next value - * from the sequence */ - i = aux++; - if (aux >= sizeof(crctab) / sizeof(crctab[0])) aux = 0; - } - - /* New checksum value */ - s = (s << 8) ^ crctab[i]; - } - return(s); -} - -/* Main module. No options switches allowed, none parsed. */ -int main(argc, argv) -int argc; -char *argv[]; -{ - argc--; - error = 0; - if (!argc) - crc(0, (char *) 0); - else - for (argv++; argc--; argv++) crc(open(*argv, O_RDONLY), *argv); - return(error); -} - -/* Compute crc and size of input file descriptor. */ -void crc(fd, name) -int fd; -char *name; -{ - off_t f_size; - unsigned long crc; - int nb; - unsigned char buffer[1024]; - - if (fd < 0) { - perror(name); - error = 1; - return; - } - crc = 0; - f_size = 0; - aux = 0; - for (;;) { - nb = read(fd, (char *) buffer, sizeof(buffer)); - if (nb < 0) { - close(fd); - perror(name ? name : "stdin"); - error = 1; - return; - } - if (!nb) break; - f_size += nb; - crc = strncrc(buffer, nb, crc); - } - close(fd); - printf("%lu %ld", crc, f_size); - if (name) - printf(" %s\n", name); - else - putchar('\n'); -} diff --git a/releasetools/nbsd_ports b/releasetools/nbsd_ports index 010aaa6a6..17015e0b2 100644 --- a/releasetools/nbsd_ports +++ b/releasetools/nbsd_ports @@ -2,6 +2,8 @@ # Timestamp in UTC,minixpath,netbsdpath # minixpath: path in Minix source tree (starting from /usr/src/) # netbsdpath: path in BSD source tree (starting from src/) +2012/10/17 12:00:00,tools/cksum +2012/10/17 12:00:00,usr.bin/cksum 2012/10/17 12:00:00,usr.sbin/postinstall 2012/05/01 16:16:12,external/bsd/libarchive 2012/02/10 16:16:12,usr.sbin/chroot diff --git a/tools/cksum/Makefile b/tools/cksum/Makefile new file mode 100644 index 000000000..58c20baf8 --- /dev/null +++ b/tools/cksum/Makefile @@ -0,0 +1,7 @@ +# $NetBSD: Makefile,v 1.3 2006/10/29 06:17:08 dogcow Exp $ + +HOSTPROGNAME= ${_TOOL_PREFIX}cksum +HOST_SRCDIR= usr.bin/cksum +CPPFLAGS+= -I${.CURDIR}/../compat/sys + +.include "${.CURDIR}/../Makefile.host" diff --git a/usr.bin/Makefile b/usr.bin/Makefile index 73183dc34..a92cc2991 100644 --- a/usr.bin/Makefile +++ b/usr.bin/Makefile @@ -3,7 +3,7 @@ .include # NetBSD imports -SUBDIR= login indent m4 make mktemp stat tic sed mkdep uniq seq du man \ +SUBDIR= login indent cksum m4 make mktemp stat tic sed mkdep uniq seq du man \ apropos chpass newgrp passwd bzip2 bzip2recover gzip su genassym \ xinstall ldd/elf32 .WAIT ldd diff --git a/usr.bin/cksum/Makefile b/usr.bin/cksum/Makefile new file mode 100644 index 000000000..2f04928f8 --- /dev/null +++ b/usr.bin/cksum/Makefile @@ -0,0 +1,20 @@ +# $NetBSD: Makefile,v 1.16 2009/04/14 22:15:18 lukem Exp $ +# @(#)Makefile 8.2 (Berkeley) 4/28/95 + +PROG= cksum +SRCS= cksum.c crc.c md2.c md4.c md5.c sha1.c rmd160.c print.c sum1.c sum2.c +SRCS+= sha256.c sha384.c sha512.c +LINKS= ${BINDIR}/cksum ${BINDIR}/sum +LINKS+= ${BINDIR}/cksum ${BINDIR}/md2 +LINKS+= ${BINDIR}/cksum ${BINDIR}/md4 +LINKS+= ${BINDIR}/cksum ${BINDIR}/md5 +LINKS+= ${BINDIR}/cksum ${BINDIR}/sha1 +LINKS+= ${BINDIR}/cksum ${BINDIR}/rmd160 +MLINKS= cksum.1 sum.1 +MLINKS+=cksum.1 md2.1 +MLINKS+=cksum.1 md4.1 +MLINKS+=cksum.1 md5.1 +MLINKS+=cksum.1 sha1.1 +MLINKS+=cksum.1 rmd160.1 + +.include diff --git a/usr.bin/cksum/cksum.1 b/usr.bin/cksum/cksum.1 new file mode 100644 index 000000000..ec6dce034 --- /dev/null +++ b/usr.bin/cksum/cksum.1 @@ -0,0 +1,332 @@ +.\" $NetBSD: cksum.1,v 1.44 2012/06/25 02:32:12 riastradh Exp $ +.\" +.\" Copyright (c) 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the Institute of Electrical and Electronics Engineers, Inc. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)cksum.1 8.2 (Berkeley) 4/28/95 +.\" +.Dd June 24, 2012 +.Dt CKSUM 1 +.Os +.Sh NAME +.Nm cksum , +.Nm md2 , +.Nm md4 , +.Nm md5 , +.Nm rmd160 , +.Nm sha1 , +.Nm sum +.Nd display file checksums and block counts +.Sh SYNOPSIS +.Nm cksum +.Op Fl n +.Op Fl a Ar algorithm Oo Fl ptx Oc Oo Fl s Ar string Oc +.Op Fl o Ar 1 Ns | Ns Ar 2 +.Op Ar Li \&| Fl c Oo Fl w Oc Oo Ar sumfile Oc +.Nm sum +.Op Fl n +.Op Fl a Ar algorithm Oo Fl ptx Oc Oo Fl s Ar string Oc +.Op Fl o Ar 1 Ns | Ns Ar 2 +.Op Ar Li \&| Fl c Oo Fl w Oc Oo Ar sumfile Oc +.Nm md2 +.Op Fl nptx +.Op Fl s Ar string +.Op Ar Li \&| Fl c Oo Fl w Oc Oo Ar sumfile Oc +.Nm md4 +.Op Fl nptx +.Op Fl s Ar string +.Op Ar Li \&| Fl c Oo Fl w Oc Oo Ar sumfile Oc +.Nm md5 +.Op Fl nptx +.Op Fl s Ar string +.Op Ar Li \&| Fl c Oo Fl w Oc Oo Ar sumfile Oc +.Nm rmd160 +.Op Fl nptx +.Op Fl s Ar string +.Op Ar Li \&| Fl c Oo Fl w Oc Oo Ar sumfile Oc +.Nm sha1 +.Op Fl nptx +.Op Fl s Ar string +.Op Ar Li \&| Fl c Oo Fl w Oc Oo Ar sumfile Oc +.Sh DESCRIPTION +The +.Nm +utility writes to the standard output three whitespace separated +fields for each input file. +These fields are a checksum +.Tn CRC , +the total number of octets in the file and the file name. +If no file name is specified, the standard input is used and no file name +is written. +.Pp +The +.Nm sum +utility is identical to the +.Nm +utility, except that it defaults to using historic algorithm 1, as +described below. +It is provided for compatibility only. +.Pp +The +.Nm md2 , +.Nm md4 , +.Nm md5 , +.Nm sha1 , +and +.Nm rmd160 +utilities compute cryptographic hash functions, and write to standard +output the hexadecimal representation of the hash of their input. +.Pp +The options are as follows: +.Bl -tag -width indent +.It Fl a Ar algorithm +When invoked as +.Nm cksum , +use the specified +.Ar algorithm . +Valid algorithms are: +.Bl -column -offset indent ".Sy Algorithm" ".Sy Bits" ".Sy Description" +.It Sy Algorithm Ta Sy Bits Ta Sy Description +.It Li CRC Ta 32 Ta Default CRC algorithm +.It Li MD2 Ta 128 Ta MD2, per Li RFC1319 +.It Li MD4 Ta 128 Ta MD4, per Li RFC1320 +.It Li MD5 Ta 128 Ta MD5, per Li RFC1321 +.It Li RMD160 Ta 160 Ta RIPEMD-160 +.It Li SHA1 Ta 160 Ta SHA-1, per Li FIPS PUB 180-1 +.It Li SHA256 Ta 256 Ta SHA-2 +.It Li SHA384 Ta 384 Ta SHA-2 +.It Li SHA512 Ta 512 Ta SHA-2 +.It Li old1 Ta 16 Ta Algorithm 1, per Fl o Ar 1 +.It Li old2 Ta 16 Ta Algorithm 2, per Fl o Ar 2 +.El +.It Fl c Op Ar sumfile +Verify (check) files against a list of checksums. +The list is read from +.Ar sumfile , +or from stdin if no filename is given. +E.g. first run +.Dl Ic md5 *.tgz \*[Gt] MD5 +.Dl Ic sha1 *.tgz \*[Gt] SHA1 +to generate a list of MD5 checksums in +.Pa MD5 , +then use the following command to verify them: +.Dl Ic cat MD5 SHA1 | cksum -c +If an error is found during checksum verification, an error +message is printed, and the program returns an error code of 1. +.It Fl o +Use historic algorithms instead of the (superior) default one. +.Pp +Algorithm 1 is the algorithm used by historic +.Bx +systems as the +.Xr sum 1 +algorithm and by historic +.At V +systems as the +.Xr sum 1 +algorithm when using the +.Fl r +option. +This is a 16-bit checksum, with a right rotation before each addition; +overflow is discarded. +.Pp +Algorithm 2 is the algorithm used by historic +.At V +systems as the +default +.Xr sum 1 +algorithm. +This is a 32-bit checksum, and is defined as follows: +.Bd -unfilled -offset indent +s = sum of all bytes; +r = s % 2^16 + (s % 2^32) / 2^16; +cksum = (r % 2^16) + r / 2^16; +.Ed +.Pp +Both algorithm 1 and 2 write to the standard output the same fields as +the default algorithm except that the size of the file in bytes is +replaced with the size of the file in blocks. +For historic reasons, the block size is 1024 for algorithm 1 and 512 +for algorithm 2. +Partial blocks are rounded up. +.It Fl w +Print warnings about malformed checksum files when verifying +checksums with +.Fl c . +.El +.Pp +The following options apply only when using the one of the message +digest algorithms: +.Bl -tag -width indent +.It Fl n +Print the hash and the filename in the normal sum output form, with +the hash at the left and the filename following on the right. +.It Fl p +Echo input from standard input to standard output, and append the +selected message digest. +.It Fl s Ar string +Print the hash of the given string +.Ar string . +.It Fl t +Run a built-in message digest time trial. +.It Fl x +Run a built-in message digest test script. +The tests that are run +are supposed to encompass all the various tests in the suites that +accompany the algorithms' descriptions with the exception of the +last test for the SHA-1 algorithm and the RIPEMD-160 algorithm. +The +last test for these is one million copies of the lower letter a. +.El +.Pp +The default +.Tn CRC +used is based on the polynomial used for +.Tn CRC +error checking +in the networking standard +.St -iso8802-3 . +The +.Tn CRC +checksum encoding is defined by the generating polynomial: +.Pp +.Bd -unfilled -offset indent +G(x) = x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + + x^11 + x^10 + x^8 + x^7 + x^5 + x^4 + x^2 + x + 1 +.Ed +.Pp +Mathematically, the +.Tn CRC +value corresponding to a given file is defined by +the following procedure: +.Bd -filled -offset indent +The +.Ar n +bits to be evaluated are considered to be the coefficients of a mod 2 +polynomial M(x) of degree +.Ar n Ns \-1 . +These +.Ar n +bits are the bits from the file, with the most significant bit being the most +significant bit of the first octet of the file and the last bit being the least +significant bit of the last octet, padded with zero bits (if necessary) to +achieve an integral number of octets, followed by one or more octets +representing the length of the file as a binary value, least significant octet +first. +The smallest number of octets capable of representing this integer are used. +.Pp +M(x) is multiplied by x^32 (i.e., shifted left 32 bits) and divided by +G(x) using mod 2 division, producing a remainder R(x) of degree \*[Le] 31. +.Pp +The coefficients of R(x) are considered to be a 32-bit sequence. +.Pp +The bit sequence is complemented and the result is the CRC. +.Ed +.Pp +The +.Nm +and +.Nm sum +utilities exit 0 on success, and \*[Gt]0 if an error occurs. +.Sh SEE ALSO +.Xr openssl 1 , +.Xr mtree 8 +.Pp +The default calculation is identical to that given in pseudo-code +in the following +.Tn ACM +article. +.Rs +.%T "Computation of Cyclic Redundancy Checks Via Table Lookup" +.%A Dilip V. Sarwate +.%J "Communications of the \*(tNACM\*(sP" +.%D "August 1988" +.Re +.Rs +.%A R. Rivest +.%T The MD2 Message-Digest Algorithm +.%O RFC 1319 +.Re +.Rs +.%A R. Rivest +.%T The MD4 Message-Digest Algorithm +.%O RFC 1186 and RFC 1320 +.Re +.Rs +.%A R. Rivest +.%T The MD5 Message-Digest Algorithm +.%O RFC 1321 +.Re +.Rs +.%A U.S. DOC/NIST +.%T Secure Hash Standard +.%O FIPS PUB 180-1 +.Re +.Sh STANDARDS +The +.Nm +utility is expected to conform to +.St -p1003.1-2004 . +.Sh HISTORY +The +.Nm +utility appeared in +.Bx 4.4 . +.Nm md5 +was added in +.Nx 1.3 . +The functionality for +.Nm md2 , +.Nm md4 , +.Nm sha1 , +and +.Nm rmd160 +was added in +.Nx 1.6 . +Support for the SHA-2 algorithms +.Po +.Li SHA256 , +.Li SHA384 , +and +.Li SHA512 +.Pc +was added in +.Nx 3.0 . +The functionality to verify checksum stored in a file +.Pq Fl c +first appeared in +.Nx 4.0 . +.\" .Pp +.\" The +.\" .Nm sum +.\" utility appeared in +.\" .Bx ?.? +.\" and +.\" .At V . diff --git a/usr.bin/cksum/cksum.c b/usr.bin/cksum/cksum.c new file mode 100644 index 000000000..b0ef44343 --- /dev/null +++ b/usr.bin/cksum/cksum.c @@ -0,0 +1,543 @@ +/* $NetBSD: cksum.c,v 1.45 2011/08/29 14:12:29 joerg Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * James W. Williams of NASA Goddard Space Flight Center. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/*- + * Copyright (c) 1997 Jason R. Thorpe. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * James W. Williams of NASA Goddard Space Flight Center. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if HAVE_NBTOOL_CONFIG_H +#include "nbtool_config.h" +#endif + +#include +#if defined(__COPYRIGHT) && !defined(lint) +__COPYRIGHT("@(#) Copyright (c) 1991, 1993\ + The Regents of the University of California. All rights reserved."); +#endif /* not lint */ + +#if defined(__RCSID) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)cksum.c 8.2 (Berkeley) 4/28/95"; +#endif +__RCSID("$NetBSD: cksum.c,v 1.45 2011/08/29 14:12:29 joerg Exp $"); +#endif /* not lint */ + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "extern.h" + +typedef char *(*_filefunc)(const char *, char *); + +const struct hash { + const char *progname; + const char *hashname; + void (*stringfunc)(const char *); + void (*timetrialfunc)(void); + void (*testsuitefunc)(void); + void (*filterfunc)(int); + char *(*filefunc)(const char *, char *); +} hashes[] = { + { "md2", "MD2", + MD2String, MD2TimeTrial, MD2TestSuite, + MD2Filter, MD2File }, + { "md4", "MD4", + MD4String, MD4TimeTrial, MD4TestSuite, + MD4Filter, MD4File }, + { "md5", "MD5", + MD5String, MD5TimeTrial, MD5TestSuite, + MD5Filter, MD5File }, + { "rmd160", "RMD160", + RMD160String, RMD160TimeTrial, RMD160TestSuite, + RMD160Filter, (_filefunc) RMD160File }, + { "sha1", "SHA1", + SHA1String, SHA1TimeTrial, SHA1TestSuite, + SHA1Filter, (_filefunc) SHA1File }, + { "sha256", "SHA256", + SHA256_String, SHA256_TimeTrial, SHA256_TestSuite, + SHA256_Filter, (_filefunc) SHA256_File }, + { "sha384", "SHA384", + SHA384_String, SHA384_TimeTrial, SHA384_TestSuite, + SHA384_Filter, (_filefunc) SHA384_File }, + { "sha512", "SHA512", + SHA512_String, SHA512_TimeTrial, SHA512_TestSuite, + SHA512_Filter, (_filefunc) SHA512_File }, + { .progname = NULL, }, +}; + +static int hash_digest_file(char *, const struct hash *, int); +__dead static void requirehash(const char *); +__dead static void usage(void); + +int +main(int argc, char **argv) +{ + int ch, fd, rval, dosum, pflag, nohashstdin; + u_int32_t val; + off_t len; + char *fn; + const char *progname; + int (*cfncn) (int, u_int32_t *, off_t *); + void (*pfncn) (char *, u_int32_t, off_t); + const struct hash *hash; + int normal, i, check_warn, do_check; + + cfncn = NULL; + pfncn = NULL; + dosum = pflag = nohashstdin = 0; + normal = 0; + check_warn = 0; + do_check = 0; + + setlocale(LC_ALL, ""); + + progname = getprogname(); + + for (hash = hashes; hash->hashname != NULL; hash++) + if (strcmp(progname, hash->progname) == 0) + break; + + if (hash->hashname == NULL) { + hash = NULL; + + if (!strcmp(progname, "sum")) { + dosum = 1; + cfncn = csum1; + pfncn = psum1; + } else { + cfncn = crc; + pfncn = pcrc; + } + } + + while ((ch = getopt(argc, argv, "a:cno:ps:twx")) != -1) + switch(ch) { + case 'a': + if (hash) { + warnx("illegal use of -a option\n"); + usage(); + } + i = 0; + while (hashes[i].hashname != NULL) { + if (!strcasecmp(hashes[i].hashname, optarg)) { + hash = &hashes[i]; + break; + } + i++; + } + if (hash == NULL) { + if (!strcasecmp(optarg, "old1")) { + cfncn = csum1; + pfncn = psum1; + } else if (!strcasecmp(optarg, "old2")) { + cfncn = csum2; + pfncn = psum2; + } else if (!strcasecmp(optarg, "crc")) { + cfncn = crc; + pfncn = pcrc; + } else { + warnx("illegal argument to -a option"); + usage(); + } + } + break; + case 'c': + do_check = 1; + break; + case 'n': + normal = 1; + break; + case 'o': + if (hash) { + warnx("%s mutually exclusive with sum", + hash->hashname); + usage(); + } + if (!strcmp(optarg, "1")) { + cfncn = csum1; + pfncn = psum1; + } else if (!strcmp(optarg, "2")) { + cfncn = csum2; + pfncn = psum2; + } else { + warnx("illegal argument to -o option"); + usage(); + } + break; + case 'p': + if (hash == NULL) + requirehash("-p"); + pflag = 1; + break; + case 's': + if (hash == NULL) + requirehash("-s"); + nohashstdin = 1; + hash->stringfunc(optarg); + break; + case 't': + if (hash == NULL) + requirehash("-t"); + nohashstdin = 1; + hash->timetrialfunc(); + break; + case 'w': + check_warn = 1; + break; + case 'x': + if (hash == NULL) + requirehash("-x"); + nohashstdin = 1; + hash->testsuitefunc(); + break; + case '?': + default: + usage(); + } + argc -= optind; + argv += optind; + + if (do_check) { + /* + * Verify checksums + */ + FILE *f; + char buf[BUFSIZ]; + char *s, *p_filename, *p_cksum; + int l_filename, l_cksum; + char filename[BUFSIZ]; + char cksum[BUFSIZ]; + int ok,cnt,badcnt; + + rval = 0; + cnt = badcnt = 0; + + if (argc == 0) { + f = fdopen(STDIN_FILENO, "r"); + } else { + f = fopen(argv[0], "r"); + } + if (f == NULL) + err(1, "Cannot read %s", + argc>0?argv[0]:"stdin"); + + while(fgets(buf, sizeof(buf), f) != NULL) { + s=strrchr(buf, '\n'); + if (s) + *s = '\0'; + + p_cksum = p_filename = NULL; + + p_filename = strchr(buf, '('); + if (p_filename) { + /* + * Assume 'normal' output if there's a '(' + */ + p_filename += 1; + normal = 0; + + p_cksum = strrchr(p_filename, ')'); + if (p_cksum == NULL) { + if (check_warn) + warnx("bogus format: %s. " + "Skipping...", + buf); + rval = 1; + continue; + } + p_cksum += 4; + + l_cksum = strlen(p_cksum); + l_filename = p_cksum - p_filename - 4; + + /* Sanity check, and find proper hash if + * it's not the same as the current program + */ + if (hash == NULL || + strncmp(buf, hash->hashname, + strlen(hash->hashname)) != 0) { + /* + * Search proper hash + */ + const struct hash *nhash; + + for (nhash = hashes ; + nhash->hashname != NULL; + nhash++) + if (strncmp(buf, + nhash->hashname, + strlen(nhash->hashname)) == 0) + break; + + + if (nhash->hashname == NULL) { + if (check_warn) + warnx("unknown hash: %s", + buf); + rval = 1; + continue; + } else { + hash = nhash; + } + } + + } else { + if (hash) { + int nspaces; + + /* + * 'normal' output, no (ck)sum + */ + normal = 1; + nspaces = 1; + + p_cksum = buf; + p_filename = strchr(buf, ' '); + if (p_filename == NULL) { + if (check_warn) + warnx("no filename in %s? " + "Skipping...", buf); + rval = 1; + continue; + } + while (isspace((int)*++p_filename)) + nspaces++; + l_filename = strlen(p_filename); + l_cksum = p_filename - buf - nspaces; + } else { + /* + * sum/cksum output format + */ + p_cksum = buf; + s=strchr(p_cksum, ' '); + if (s == NULL) { + if (check_warn) + warnx("bogus format: %s." + " Skipping...", + buf); + rval = 1; + continue; + } + l_cksum = s - p_cksum; + + p_filename = strrchr(buf, ' '); + if (p_filename == NULL) { + if (check_warn) + warnx("no filename in %s?" + " Skipping...", + buf); + rval = 1; + continue; + } + p_filename++; + l_filename = strlen(p_filename); + } + } + + strlcpy(filename, p_filename, l_filename+1); + strlcpy(cksum, p_cksum, l_cksum+1); + + if (hash) { + if (access(filename, R_OK) == 0 + && strcmp(cksum, hash->filefunc(filename, NULL)) == 0) + ok = 1; + else + ok = 0; + } else { + if ((fd = open(filename, O_RDONLY, 0)) < 0) { + if (check_warn) + warn("%s", filename); + rval = 1; + ok = 0; + } else { + if (cfncn(fd, &val, &len)) + ok = 0; + else { + u_int32_t should_val; + + should_val = + strtoul(cksum, NULL, 10); + if (val == should_val) + ok = 1; + else + ok = 0; + } + close(fd); + } + } + + if (! ok) { + if (hash) + printf("(%s) ", hash->hashname); + printf("%s: FAILED\n", filename); + badcnt++; + } + cnt++; + + } + fclose(f); + + if (badcnt > 0) + rval = 1; + + } else { + /* + * Calculate checksums + */ + + fd = STDIN_FILENO; + fn = NULL; + rval = 0; + do { + if (*argv) { + fn = *argv++; + if (hash != NULL) { + if (hash_digest_file(fn, hash, normal)) { + warn("%s", fn); + rval = 1; + } + continue; + } + if ((fd = open(fn, O_RDONLY, 0)) < 0) { + warn("%s", fn); + rval = 1; + continue; + } + } else if (hash && !nohashstdin) { + hash->filterfunc(pflag); + } + + if (hash == NULL) { + if (cfncn(fd, &val, &len)) { + warn("%s", fn ? fn : "stdin"); + rval = 1; + } else + pfncn(fn, val, len); + (void)close(fd); + } + } while (*argv); + } + exit(rval); +} + +static int +hash_digest_file(char *fn, const struct hash *hash, int normal) +{ + char *cp; + + cp = hash->filefunc(fn, NULL); + if (cp == NULL) + return 1; + + if (normal) + printf("%s %s\n", cp, fn); + else + printf("%s (%s) = %s\n", hash->hashname, fn, cp); + + free(cp); + + return 0; +} + +static void +requirehash(const char *flg) +{ + warnx("%s flag requires `-a algorithm'", flg); + usage(); +} + +static void +usage(void) +{ + const char fileargs[] = "[file ... | -c [-w] [sumfile]]"; + const char sumargs[] = "[-n] [-a algorithm [-ptx] [-s string]] [-o 1|2]"; + const char hashargs[] = "[-nptx] [-s string]"; + + (void)fprintf(stderr, "usage: cksum %s\n %s\n", + sumargs, fileargs); + (void)fprintf(stderr, " sum %s\n %s\n", + sumargs, fileargs); + (void)fprintf(stderr, " md2 %s %s\n", hashargs, fileargs); + (void)fprintf(stderr, " md4 %s %s\n", hashargs, fileargs); + (void)fprintf(stderr, " md5 %s %s\n", hashargs, fileargs); + (void)fprintf(stderr, " rmd160 %s %s\n", hashargs, fileargs); + (void)fprintf(stderr, " sha1 %s %s\n", hashargs, fileargs); + exit(1); +} diff --git a/usr.bin/cksum/crc.c b/usr.bin/cksum/crc.c new file mode 100644 index 000000000..cd1a70618 --- /dev/null +++ b/usr.bin/cksum/crc.c @@ -0,0 +1,162 @@ +/* $NetBSD: crc.c,v 1.18 2006/09/04 20:01:10 dsl Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * James W. Williams of NASA Goddard Space Flight Center. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if HAVE_NBTOOL_CONFIG_H +#include "nbtool_config.h" +#endif + +#include +#if defined(__RCSID) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)crc.c 8.1 (Berkeley) 6/17/93"; +#else +__RCSID("$NetBSD: crc.c,v 1.18 2006/09/04 20:01:10 dsl Exp $"); +#endif +#endif /* not lint */ + +#include +#include + +#include "extern.h" + +static const u_int32_t crctab[] = { + 0x0, + 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b, + 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, + 0x2b4bcb61, 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, + 0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9, 0x5f15adac, + 0x5bd4b01b, 0x569796c2, 0x52568b75, 0x6a1936c8, 0x6ed82b7f, + 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, 0x709f7b7a, + 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039, + 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, + 0xbaea46ef, 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, + 0xa4ad16ea, 0xa06c0b5d, 0xd4326d90, 0xd0f37027, 0xddb056fe, + 0xd9714b49, 0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95, + 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, 0xe13ef6f4, + 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0, + 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, + 0x2ac12072, 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, + 0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca, 0x7897ab07, + 0x7c56b6b0, 0x71159069, 0x75d48dde, 0x6b93dddb, 0x6f52c06c, + 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1, + 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba, + 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, + 0xbb60adfc, 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, + 0x832f1041, 0x87ee0df6, 0x99a95df3, 0x9d684044, 0x902b669d, + 0x94ea7b2a, 0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e, + 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2, 0xc6bcf05f, + 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34, + 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, + 0x644fc637, 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, + 0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f, 0x5c007b8a, + 0x58c1663d, 0x558240e4, 0x51435d53, 0x251d3b9e, 0x21dc2629, + 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, 0x3f9b762c, + 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff, + 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, + 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, + 0xeba91bbc, 0xef68060b, 0xd727bbb6, 0xd3e6a601, 0xdea580d8, + 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3, + 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, 0xae3afba2, + 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71, + 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, + 0x857130c3, 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, + 0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c, 0x7b827d21, + 0x7f436096, 0x7200464f, 0x76c15bf8, 0x68860bfd, 0x6c47164a, + 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e, 0x18197087, + 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec, + 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, + 0x2056cd3a, 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, + 0xcc2b1d17, 0xc8ea00a0, 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, + 0xdbee767c, 0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18, + 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, 0x89b8fd09, + 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, + 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, + 0xa2f33668, 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4 +}; + +/* + * Compute a POSIX 1003.2 checksum. This routine has been broken out so that + * other programs can use it. It takes a file descriptor to read from and + * locations to store the crc and the number of bytes read. It returns 0 on + * success and 1 on failure. Errno is set on failure. + */ +int +crc(int fd, u_int32_t *cval, off_t *clen) +{ + u_char *p; + int nr; + u_int32_t thecrc; + off_t len; + u_char buf[16 * 1024]; + +#define COMPUTE(var, ch) (var) = (var) << 8 ^ crctab[(var) >> 24 ^ (ch)] + + thecrc = 0; + len = 0; + while ((nr = read(fd, buf, sizeof(buf))) > 0) + for (len += nr, p = buf; nr--; ++p) { + COMPUTE(thecrc, *p); + } + if (nr < 0) + return 1; + + *clen = len; + + /* Include the length of the file. */ + for (; len != 0; len >>= 8) { + COMPUTE(thecrc, len & 0xff); + } + + *cval = ~thecrc; + return 0; +} + +/* These two are rather more useful to the outside world */ + +uint32_t +crc_buf(uint32_t thecrc, const void *buf, size_t len) +{ + const uint8_t *p = buf; + + for (p = buf; len; p++, len--) + COMPUTE(thecrc, *p); + return thecrc; +} + +uint32_t +crc_byte(uint32_t thecrc, unsigned int byte_val) +{ + COMPUTE(thecrc, byte_val & 0xff); + return thecrc; +} diff --git a/usr.bin/cksum/crc_extern.h b/usr.bin/cksum/crc_extern.h new file mode 100644 index 000000000..b0c1c33d2 --- /dev/null +++ b/usr.bin/cksum/crc_extern.h @@ -0,0 +1,38 @@ +/* $NetBSD: crc_extern.h,v 1.1 2006/09/04 20:01:10 dsl Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)extern.h 8.1 (Berkeley) 6/6/93 + */ + +__BEGIN_DECLS +int crc(int, u_int32_t *, off_t *); +uint32_t crc_buf(uint32_t, const void *, size_t); +uint32_t crc_byte(uint32_t, unsigned int); +__END_DECLS diff --git a/usr.bin/cksum/extern.h b/usr.bin/cksum/extern.h new file mode 100644 index 000000000..8384110ca --- /dev/null +++ b/usr.bin/cksum/extern.h @@ -0,0 +1,88 @@ +/* $NetBSD: extern.h,v 1.19 2006/09/04 20:01:10 dsl Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)extern.h 8.1 (Berkeley) 6/6/93 + */ + +#if HAVE_NBTOOL_CONFIG_H +#include "nbtool_config.h" +#endif + +#include +#include "crc_extern.h" + +__BEGIN_DECLS +void pcrc(char *, u_int32_t, off_t); +void psum1(char *, u_int32_t, off_t); +void psum2(char *, u_int32_t, off_t); +int csum1(int, u_int32_t *, off_t *); +int csum2(int, u_int32_t *, off_t *); +int md5(int, u_int32_t *, u_int32_t *); + +void MD2String(const char *); +void MD2TimeTrial(void); +void MD2TestSuite(void); +void MD2Filter(int); + +void MD4String(const char *); +void MD4TimeTrial(void); +void MD4TestSuite(void); +void MD4Filter(int); + +void MD5String(const char *); +void MD5TimeTrial(void); +void MD5TestSuite(void); +void MD5Filter(int); + +void SHA1String(const char *); +void SHA1TimeTrial(void); +void SHA1TestSuite(void); +void SHA1Filter(int); + +void RMD160String(const char *); +void RMD160TimeTrial(void); +void RMD160TestSuite(void); +void RMD160Filter(int); + +void SHA256_String(const char *); +void SHA256_TimeTrial(void); +void SHA256_TestSuite(void); +void SHA256_Filter(int); + +void SHA384_String(const char *); +void SHA384_TimeTrial(void); +void SHA384_TestSuite(void); +void SHA384_Filter(int); + +void SHA512_String(const char *); +void SHA512_TimeTrial(void); +void SHA512_TestSuite(void); +void SHA512_Filter(int); +__END_DECLS diff --git a/usr.bin/cksum/md2.c b/usr.bin/cksum/md2.c new file mode 100644 index 000000000..cc80b4a20 --- /dev/null +++ b/usr.bin/cksum/md2.c @@ -0,0 +1,21 @@ +/* $NetBSD: md2.c,v 1.1 2001/03/20 18:46:26 atatat Exp $ */ + +#include /* this hash type */ +#include /* the hash we're replacing */ + +#define HASHTYPE "MD2" +#define HASHLEN 32 + +#define MD5Filter MD2Filter +#define MD5String MD2String +#define MD5TestSuite MD2TestSuite +#define MD5TimeTrial MD2TimeTrial + +#define MD5Data MD2Data +#define MD5Init MD2Init +#define MD5Update MD2Update +#define MD5End MD2End + +#define MD5_CTX MD2_CTX + +#include "md5.c" diff --git a/usr.bin/cksum/md4.c b/usr.bin/cksum/md4.c new file mode 100644 index 000000000..e27b41617 --- /dev/null +++ b/usr.bin/cksum/md4.c @@ -0,0 +1,21 @@ +/* $NetBSD: md4.c,v 1.1 2001/03/20 18:46:26 atatat Exp $ */ + +#include /* this hash type */ +#include /* the hash we're replacing */ + +#define HASHTYPE "MD4" +#define HASHLEN 32 + +#define MD5Filter MD4Filter +#define MD5String MD4String +#define MD5TestSuite MD4TestSuite +#define MD5TimeTrial MD4TimeTrial + +#define MD5Data MD4Data +#define MD5Init MD4Init +#define MD5Update MD4Update +#define MD5End MD4End + +#define MD5_CTX MD4_CTX + +#include "md5.c" diff --git a/usr.bin/cksum/md5.c b/usr.bin/cksum/md5.c new file mode 100644 index 000000000..5547771c3 --- /dev/null +++ b/usr.bin/cksum/md5.c @@ -0,0 +1,153 @@ +/* $NetBSD: md5.c,v 1.10 2008/12/29 00:51:29 christos Exp $ */ + +/* + * MDDRIVER.C - test driver for MD2, MD4 and MD5 + */ + +/* + * Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All + * rights reserved. + * + * RSA Data Security, Inc. makes no representations concerning either + * the merchantability of this software or the suitability of this + * software for any particular purpose. It is provided "as is" + * without express or implied warranty of any kind. + * + * These notices must be retained in any copies of any part of this + * documentation and/or software. + */ + +#if HAVE_NBTOOL_CONFIG_H +#include "nbtool_config.h" +#endif + +#include +#if defined(__RCSID) && !defined(lint) +__RCSID("$NetBSD: md5.c,v 1.10 2008/12/29 00:51:29 christos Exp $"); +#endif /* not lint */ + +#include + +#include +#include +#include +#include +#include + +void MD5Filter(int); +void MD5String(const char *); +void MD5TestSuite(void); +void MD5TimeTrial(void); + +#ifndef HASHTYPE +#define HASHTYPE "MD5" +#endif + +#ifndef HASHLEN +#define HASHLEN 32 +#endif + +/* + * Length of test block, number of test blocks. + */ +#define TEST_BLOCK_LEN 1000 +#define TEST_BLOCK_COUNT 1000 + +/* + * Digests a string and prints the result. + */ +void +MD5String(const char *string) +{ + unsigned int len = strlen(string); + char buf[HASHLEN + 1]; + + printf("%s (\"%s\") = %s\n", HASHTYPE, string, + MD5Data((const unsigned char *)string, len, buf)); +} + +/* + * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks. + */ +void +MD5TimeTrial(void) +{ + MD5_CTX context; + time_t endTime, startTime; + unsigned char block[TEST_BLOCK_LEN]; + unsigned int i; + char *p, buf[HASHLEN + 1]; + + printf("%s time trial. Digesting %d %d-byte blocks ...", HASHTYPE, + TEST_BLOCK_LEN, TEST_BLOCK_COUNT); + fflush(stdout); + + /* Initialize block */ + for (i = 0; i < TEST_BLOCK_LEN; i++) + block[i] = (unsigned char) (i & 0xff); + + /* Start timer */ + time(&startTime); + + /* Digest blocks */ + MD5Init(&context); + for (i = 0; i < TEST_BLOCK_COUNT; i++) + MD5Update(&context, block, TEST_BLOCK_LEN); + p = MD5End(&context,buf); + + /* Stop timer */ + time(&endTime); + + printf(" done\n"); + printf("Digest = %s\n", p); + printf("Time = %ld seconds\n", (long) (endTime - startTime)); + + /* + * Be careful that endTime-startTime is not zero. + * (Bug fix from Ric * Anderson, ric@Artisoft.COM.) + */ + printf("Speed = %lld bytes/second\n", + (long long) TEST_BLOCK_LEN * TEST_BLOCK_COUNT / + ((endTime - startTime) != 0 ? (endTime - startTime) : 1)); +} + +/* + * Digests a reference suite of strings and prints the results. + */ +void +MD5TestSuite(void) +{ + printf("%s test suite:\n", HASHTYPE); + + MD5String(""); + MD5String("a"); + MD5String("abc"); + MD5String("message digest"); + MD5String("abcdefghijklmnopqrstuvwxyz"); + MD5String("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"); + MD5String + ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"); + MD5String + ("1234567890123456789012345678901234567890\ +1234567890123456789012345678901234567890"); +} + +/* + * Digests the standard input and prints the result. + */ +void +MD5Filter(int pipe) +{ + MD5_CTX context; + size_t len; + unsigned char buffer[BUFSIZ]; + char buf[HASHLEN + 1]; + + MD5Init(&context); + while ((len = fread(buffer, (size_t)1, (size_t)BUFSIZ, stdin)) > 0) { + if (pipe && (len != fwrite(buffer, (size_t)1, len, stdout))) + err(1, "stdout"); + MD5Update(&context, buffer, (unsigned int)len); + } + printf("%s\n", MD5End(&context,buf)); +} diff --git a/usr.bin/cksum/print.c b/usr.bin/cksum/print.c new file mode 100644 index 000000000..03dbd5a9e --- /dev/null +++ b/usr.bin/cksum/print.c @@ -0,0 +1,76 @@ +/* $NetBSD: print.c,v 1.11 2005/01/12 17:04:35 xtraeme Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if HAVE_NBTOOL_CONFIG_H +#include "nbtool_config.h" +#endif + +#include +#if defined(__RCSID) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)print.c 8.1 (Berkeley) 6/6/93"; +#else +__RCSID("$NetBSD: print.c,v 1.11 2005/01/12 17:04:35 xtraeme Exp $"); +#endif +#endif /* not lint */ + +#include +#include +#include "extern.h" + +void +pcrc(char *fn, u_int32_t val, off_t len) +{ + (void)printf("%lu %lld", (unsigned long)val, (long long)len); + if (fn) + (void)printf(" %s", fn); + (void)printf("\n"); +} + +void +psum1(char *fn, u_int32_t val, off_t len) +{ + (void)printf("%lu %lld", (unsigned long)val, + (long long)(len + 1023) / 1024); + if (fn) + (void)printf(" %s", fn); + (void)printf("\n"); +} + +void +psum2(char *fn, u_int32_t val, off_t len) +{ + (void)printf("%lu %lld", (unsigned long)val, + (long long)(len + 511) / 512); + if (fn) + (void)printf(" %s", fn); + (void)printf("\n"); +} diff --git a/usr.bin/cksum/rmd160.c b/usr.bin/cksum/rmd160.c new file mode 100644 index 000000000..f04a58d5b --- /dev/null +++ b/usr.bin/cksum/rmd160.c @@ -0,0 +1,25 @@ +/* $NetBSD: rmd160.c,v 1.3 2006/10/30 20:22:54 christos Exp $ */ + +#if HAVE_NBTOOL_CONFIG_H +#include "nbtool_config.h" +#endif + +#include /* this hash type */ +#include /* the hash we're replacing */ + +#define HASHTYPE "RMD160" +#define HASHLEN 40 + +#define MD5Filter RMD160Filter +#define MD5String RMD160String +#define MD5TestSuite RMD160TestSuite +#define MD5TimeTrial RMD160TimeTrial + +#define MD5Data RMD160Data +#define MD5Init RMD160Init +#define MD5Update RMD160Update +#define MD5End RMD160End + +#define MD5_CTX RMD160_CTX + +#include "md5.c" diff --git a/usr.bin/cksum/sha1.c b/usr.bin/cksum/sha1.c new file mode 100644 index 000000000..221a6e050 --- /dev/null +++ b/usr.bin/cksum/sha1.c @@ -0,0 +1,21 @@ +/* $NetBSD: sha1.c,v 1.1 2001/03/20 18:46:27 atatat Exp $ */ + +#include /* this hash type */ +#include /* the hash we're replacing */ + +#define HASHTYPE "SHA1" +#define HASHLEN 40 + +#define MD5Filter SHA1Filter +#define MD5String SHA1String +#define MD5TestSuite SHA1TestSuite +#define MD5TimeTrial SHA1TimeTrial + +#define MD5Data SHA1Data +#define MD5Init SHA1Init +#define MD5Update SHA1Update +#define MD5End SHA1End + +#define MD5_CTX SHA1_CTX + +#include "md5.c" diff --git a/usr.bin/cksum/sha256.c b/usr.bin/cksum/sha256.c new file mode 100644 index 000000000..41f272ee3 --- /dev/null +++ b/usr.bin/cksum/sha256.c @@ -0,0 +1,25 @@ +/* $NetBSD: sha256.c,v 1.3 2006/10/30 20:22:54 christos Exp $ */ + +#if HAVE_NBTOOL_CONFIG_H +#include "nbtool_config.h" +#endif + +#include /* this hash type */ +#include /* the hash we're replacing */ + +#define HASHTYPE "SHA256" +#define HASHLEN 64 + +#define MD5Filter SHA256_Filter +#define MD5String SHA256_String +#define MD5TestSuite SHA256_TestSuite +#define MD5TimeTrial SHA256_TimeTrial + +#define MD5Data SHA256_Data +#define MD5Init SHA256_Init +#define MD5Update SHA256_Update +#define MD5End SHA256_End + +#define MD5_CTX SHA256_CTX + +#include "md5.c" diff --git a/usr.bin/cksum/sha384.c b/usr.bin/cksum/sha384.c new file mode 100644 index 000000000..845988b2c --- /dev/null +++ b/usr.bin/cksum/sha384.c @@ -0,0 +1,25 @@ +/* $NetBSD: sha384.c,v 1.3 2006/10/30 20:22:54 christos Exp $ */ + +#if HAVE_NBTOOL_CONFIG_H +#include "nbtool_config.h" +#endif + +#include /* this hash type */ +#include /* the hash we're replacing */ + +#define HASHTYPE "SHA384" +#define HASHLEN 96 + +#define MD5Filter SHA384_Filter +#define MD5String SHA384_String +#define MD5TestSuite SHA384_TestSuite +#define MD5TimeTrial SHA384_TimeTrial + +#define MD5Data SHA384_Data +#define MD5Init SHA384_Init +#define MD5Update SHA384_Update +#define MD5End SHA384_End + +#define MD5_CTX SHA384_CTX + +#include "md5.c" diff --git a/usr.bin/cksum/sha512.c b/usr.bin/cksum/sha512.c new file mode 100644 index 000000000..69dae77ae --- /dev/null +++ b/usr.bin/cksum/sha512.c @@ -0,0 +1,25 @@ +/* $NetBSD: sha512.c,v 1.3 2006/10/30 20:22:54 christos Exp $ */ + +#if HAVE_NBTOOL_CONFIG_H +#include "nbtool_config.h" +#endif + +#include /* this hash type */ +#include /* the hash we're replacing */ + +#define HASHTYPE "SHA512" +#define HASHLEN 128 + +#define MD5Filter SHA512_Filter +#define MD5String SHA512_String +#define MD5TestSuite SHA512_TestSuite +#define MD5TimeTrial SHA512_TimeTrial + +#define MD5Data SHA512_Data +#define MD5Init SHA512_Init +#define MD5Update SHA512_Update +#define MD5End SHA512_End + +#define MD5_CTX SHA512_CTX + +#include "md5.c" diff --git a/usr.bin/cksum/sum1.c b/usr.bin/cksum/sum1.c new file mode 100644 index 000000000..22e466e5f --- /dev/null +++ b/usr.bin/cksum/sum1.c @@ -0,0 +1,76 @@ +/* $NetBSD: sum1.c,v 1.13 2005/02/05 00:13:34 simonb Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if HAVE_NBTOOL_CONFIG_H +#include "nbtool_config.h" +#endif + +#include +#if defined(__RCSID) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)sum1.c 8.1 (Berkeley) 6/6/93"; +#else +__RCSID("$NetBSD: sum1.c,v 1.13 2005/02/05 00:13:34 simonb Exp $"); +#endif +#endif /* not lint */ + +#include +#include + +#include "extern.h" + +int +csum1(int fd, u_int32_t *cval, off_t *clen) +{ + off_t total; + int nr; + u_int thecrc; + u_char *p; + u_char buf[8192]; + + /* + * 16-bit checksum, rotating right before each addition; + * overflow is discarded. + */ + thecrc = total = 0; + while ((nr = read(fd, buf, sizeof(buf))) > 0) + for (total += nr, p = buf; nr--; ++p) { + if (thecrc & 1) + thecrc |= 0x10000; + thecrc = ((thecrc >> 1) + *p) & 0xffff; + } + if (nr < 0) + return 1; + + *cval = thecrc; + *clen = total; + return 0; +} diff --git a/usr.bin/cksum/sum2.c b/usr.bin/cksum/sum2.c new file mode 100644 index 000000000..34b3e2ec4 --- /dev/null +++ b/usr.bin/cksum/sum2.c @@ -0,0 +1,80 @@ +/* $NetBSD: sum2.c,v 1.13 2005/02/05 00:13:34 simonb Exp $ */ + +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if HAVE_NBTOOL_CONFIG_H +#include "nbtool_config.h" +#endif + +#include +#if defined(__RCSID) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)sum2.c 8.1 (Berkeley) 6/6/93"; +#else +__RCSID("$NetBSD: sum2.c,v 1.13 2005/02/05 00:13:34 simonb Exp $"); +#endif +#endif /* not lint */ + +#include +#include + +#include "extern.h" + +int +csum2(int fd, u_int32_t *cval, off_t *clen) +{ + u_int32_t thecrc; + off_t total; + int nr; + u_char *p; + u_char buf[8192]; + + /* + * Draft 8 POSIX 1003.2: + * + * s = sum of all bytes + * r = s % 2^16 + (s % 2^32) / 2^16 + * thecrc = (r % 2^16) + r / 2^16 + */ + thecrc = 0; + total = 0; + while ((nr = read(fd, buf, sizeof(buf))) > 0) + for (total += nr, p = buf; nr--; ++p) + thecrc += *p; + if (nr < 0) + return 1; + + thecrc = (thecrc & 0xffff) + (thecrc >> 16); + thecrc = (thecrc & 0xffff) + (thecrc >> 16); + + *cval = thecrc; + *clen = total; + return 0; +}